Dibru Saikhowa National Park is one of the 19 (nineteen) biodiversity hotspots in the world. It mainly consists of semi wet evergreen forests, tropical moist deciduous forest, bamboo, cane brakes and grasslands. Situated in the flood plains of Brahmaputra, at an altitude of 118 m above sea level, Dibru-Saikhowa is a safe haven for many extremely rare and endangered species of wildlife, including over 300 species of avifauna both endangered and migratory, as well as various species of shrubs, herbs and rare medicinal plants.
Climate & Rainfall The climate is tropical. Summers are hot and wet where as winters are cold and dry. The annual rainfall ranges between 2300 mm. and 3800 mm. June to September is the main rainy season. The annual temperature ranges from a minimum of 7ÃÂ°C and to a maximum of 34ÃÂ°C.
Flora The forest kind of Dibru-Saikhowa consists of semi-evergreen forests, deciduous, littoral and swamp forests and patches of wet evergreen forests. The National Park is having about 35.84% moist mixed forests, 9.50% degraded forest and 21.25% grassland. Major tree species of the area are tetrasperma, Dillenia indica, Bischofi a javanica, Bombax ceiba, Lagerstroemia parviflora, Terminalia myriocarpa, Mesua ferrea, Dalbergia sissoo, Ficus are some of the species of the orchid flora of Dibru-Saikhowa, Arundo donax, Imperata cylindrica, Phragmaties karka, Erianthus ravanea are principal types of grasses in the National Park.
Total 36 species of mammals have so far been recorded from the Dibru-Saikhowa, of which 12 are listed in the schedule 1 of Wild life (Protection) Act 1972. The mammalian species of Dibru-Saikhowa includes Royal Bengal Tiger, Leopard, Clouded Leopard, Jungle Cat, Sloth Bear, Dhole, Small Indian Civet, Malayan Giant Squirrel, Chinese Pangolin, Gangetic Dolphin, Slow Loris, Pig Tailed Macaque, Assamese Macaque, Rhesus Macaque, Capped Langur, Hollock Gibbon, Asian Elephant, Wild Boar, Sambar, and Hog Deer, barking Deer, Asiatic Water Buffalo, and Feral Horses etc.